Blisters When You Walk Higher Miles. Walking 10 miles (over 3 hours), even if you are used to walking for six miles, is more of a challenge. You can do it, but most people are likely to develop blisters in new places. Shoes and gear that worked fine for two hours may not be ideal for four hours.
How the Aurora Borealis occur. The Northern Lights are caused by the interaction of the solar wind - a stream of charged particles escaping the Sun - and our planet's magnetic field and atmosphere.
The Northern Lights are caused by the interaction of the solar wind â a stream of charged particles escaping the Sun â and our planetâs magnetic field and atmosphere. Read more about what causes the aurora borealis here. Northern Lights can be viewed year round in Cook County MN. However due to long winter nights they can be seen more often in winter. In addition to the northern lights, other celestial events happen throughout the year.